Marra, A. M., Halank, M., Benjamin, N., Bossone, E., Cittadini, A., Eichstaedt, C. A., . . . Grünig, E. (2018, December). Right ventricular size and function under riociguat in pulmonary arterial hypertension and chronic thromboembolic pulmonary hypertension (the RIVER study). Respiratory Research.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Marra, Alberto M., et al. "Right Ventricular Size and Function Under Riociguat in Pulmonary Arterial Hypertension and Chronic Thromboembolic Pulmonary Hypertension (the RIVER Study)." Respiratory Research Dec. 2018.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Marra, Alberto M., et al. "Right Ventricular Size and Function Under Riociguat in Pulmonary Arterial Hypertension and Chronic Thromboembolic Pulmonary Hypertension (the RIVER Study)." Respiratory Research, Dec. 2018.